package com.lantian.yjmall.product.exception;

import com.lantian.common.exception.BizCode;
import com.lantian.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

/**
 * @name:
 * @description:    统一异常处理
 * @author: lyj
 * @create: 2020-06-05 20:50
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.lantian.yjmall.product.controller")
public class ExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题:{},异常类型:{}", e.getMessage(), e.getClass());

        BindingResult bindingResult = e.getBindingResult();
        HashMap<String, String> errorMap = new HashMap<>();

        bindingResult.getFieldErrors().forEach((fieldError -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        }));

        return R.error(BizCode.VALID_EXCEPTION.getCode(), BizCode.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable e) {
        log.error("Throw错误", e);
        return R.error(BizCode.UNKNOWN_EXCEPTION.getCode(), BizCode.UNKNOWN_EXCEPTION.getMsg());
    }

}
